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    // 3.开发一款软件，根据公式（身高-108)*2=体重,可以有10斤左右的浮动.来观察测试者体重是否合适
    var height;
    var weight;
    if((height-108)*2>10)
    {console.log("不合适")}
    else if((height-108)*2<10)
    {console.log("合适")}
  
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